In circular motion the
Direction of motion is fixed
Direction of motion changes continously
Acceleration is zero
Velocity is constant
When a drill bores a hole in piece of wood, it describes.
(i) Rotary motion (ii) Translatory motion
(iii) Curvilinear motion (iv) Oscillatory motion
(iii) & (iv)
(i) & (ii)
(i) & (iii)
(i) & (iv)
Match the following and select the correct option from the codes given below.
(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)
(a) - (iii), (b)- (ii), (c) - (i), (d) - (iv)
a- (i), (b)- (iv), (c) - (iii), (d) - (ii)
(a) - (iv), (b) - (iii), (c), - (ii), (d) - (i)
Different size bags are required to pack separately one kilogram each of cotton, potatoes and iron chunks. Which property of matter explains this?
Temperature
Density
Mass
Pressure.
Which of the following is false?
The motion of a swing is rectilinear as well as circular
A guitar shows vibratory motion
Pendulum of a clock shows oscillatory motion
A ceiling fan shows rotatory motion.
In the above question,
If the mass of the object is 36g, the density of the object is
1 g/cm3
2 g/cm3
3 g/cm3
4 g/cm3
The motion of the arms of a soldier marching along the roads is
Circular
Oscillatory
Rotatory
Non periodic
The smallest time measured by a wrist watch accurately is
1 milli second
60 seconds
1 second
1 hour
An early device used for measuring time was
Watch with balance wheel
Pendulum clock
Sundial
Sand glass
The motion in which all points of the body move through the same distance in the same time is.
Rotary motion
Linear motion
Circular motion
Translatory motion
